Solutions by everydaycalculation.com
The simplest form of 640780 is 3239.
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Equivalent fractions: 1280/1560 320/390 1920/2340 3200/3900 128/156 4480/5460
More fractions: 1280/780 640/1560 1920/780 640/2340 641/780 640/781639/780 640/779
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